# 天朗紫微AR地球仪 vs 工必达

The clearest difference is update cadence: 工必达 at every 2 weeks against 天朗紫微AR地球仪's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

天朗紫微AR地球仪 ships an update monthly, 工必达 every 2 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | 天朗紫微AR地球仪 | 工必达 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 1.7 GB | 50 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秀红 于](https://appshunter.io/developer/1449441031) | [Shandong Gongbida Information Technology Co., Ltd](https://appshunter.io/developer/1713126974) |

## What reviewers say

### 天朗紫微AR地球仪

[App page](https://appshunter.io/ios/app/ar/id1547214265)

**Features:** macOS Compatibility

**In-app purchases:** none


### 工必达

[App page](https://appshunter.io/ios/app/id6503245588)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 天朗紫微AR地球仪 free?

天朗紫微AR地球仪 is free to download, with no in-app purchases.

### Is 工必达 free?

工必达 is free to download, with no in-app purchases.

### Do 天朗紫微AR地球仪 or 工必达 have ads?

Neither 天朗紫微AR地球仪 nor 工必达 shows ads.

### Which is updated more often, 天朗紫微AR地球仪 or 工必达?

天朗紫微AR地球仪 ships an update monthly, and 工必达 every 2 weeks. Most recently, 天朗紫微AR地球仪 was updated on October 16, 2026 and 工必达 on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*